Comprehensive side-by-side LLM comparison
Nova Pro leads with 37.0% higher average benchmark score. Nova Pro offers 336.0K more tokens in context window than Claude Sonnet 4.5. Nova Pro is $14.00 cheaper per million tokens. Overall, Nova Pro is the stronger choice for coding tasks.
Anthropic
Claude Sonnet 4.5 is a multimodal language model developed by Anthropic. It achieves strong performance with an average score of 75.8% across 9 benchmarks. It excels particularly in MMMLU (89.1%), AIME 2025 (87.0%), TAU-bench Retail (86.2%). It supports a 264K token context window for handling large documents. The model is available through 2 API providers. As a multimodal model, it can process and understand text, images, and other input formats seamlessly. Released in 2025, it represents Anthropic's latest advancement in AI technology.
Amazon
Nova Pro is a multimodal language model developed by Amazon. It achieves strong performance with an average score of 73.2% across 27 benchmarks. It excels particularly in ARC-C (94.8%), GSM8k (94.8%), DocVQA (93.5%). It supports a 600K token context window for handling large documents. The model is available through 1 API provider. As a multimodal model, it can process and understand text, images, and other input formats seamlessly. Released in 2024, it represents Amazon's latest advancement in AI technology.
10 months newer
Nova Pro
Amazon
2024-11-20
Claude Sonnet 4.5
Anthropic
2025-09-29
Cost per million tokens (USD)
Claude Sonnet 4.5
Nova Pro
Context window and performance specifications
Average performance across 35 common benchmarks
Claude Sonnet 4.5
Nova Pro
Claude Sonnet 4.5
2025-01-31
Available providers and their performance metrics
Claude Sonnet 4.5
Anthropic
ZeroEval
Claude Sonnet 4.5
Nova Pro
Claude Sonnet 4.5
Nova Pro
Nova Pro
Bedrock